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Dexters

Lead Data Engineer

Dexters Greater London, England, United Kingdom · £85K–£95K/yr

Real Estate · 1,001-5,000 employees

6 h ago
data-engineer Senior (5-10 yrs) Full-time United Kingdom
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About the role

The Lead Data Engineer will provide technical leadership to improve data platform reliability, scalability, and quality. They will design and optimize data pipelines while mentoring team members and establishing engineering standards.

What they look for

Data Engineering SQL Python Snowflake Dbt ETL ELT Data Modeling CI/CD Automated Testing Data Quality Azure Data Factory Airbyte Power BI Technical Leadership Architecture

Requirements

Candidates must have significant experience in designing production data platforms and expert-level skills in SQL and Python. Strong proficiency with modern data technologies like Snowflake and dbt, along with experience in CI/CD and data quality controls, is required.

Full description

Dexters is London’s leading independent estate agency. With a fast-paced environment and continuous growth strategy, high-quality data is increasingly fundamental to how we operate, measure performance and make decisions.

We are looking for an experienced Lead Data Engineer to raise technical standards across our Data team and strengthen the reliability, scalability and quality of our data platform.

This is a senior, hands-on role combining solution delivery with technical leadership across architecture, engineering practices and data quality.

Location: Clapham Junction

Salary: £85,000–£95,000 DOE

Key responsibilities:

  • Provide hands-on technical leadership across Data Engineering.
  • Own engineering standards across architecture, code quality, testing, CI/CD, observability and documentation.
  • Design, build and optimise scalable data pipelines, transformations and data models using Snowflake, dbt and associated integration technologies.
  • Act as the senior technical authority for data engineering design decisions.
  • Take ownership of complex data engineering problems through to resolution.
  • Improve automated data quality, reconciliation and platform observability.
  • Reduce key-person dependencies through better engineering patterns, automation, documentation and knowledge sharing.
  • Mentor Data Engineers and develop technical capability across the team.
  • Work with Data Delivery and senior stakeholders to translate requirements into well-designed technical solutions.
  • Provide realistic estimates, identify risks early and communicate clearly on delivery.
  • Drive continuous improvement in engineering practices and team effectiveness.

What we are looking for:

  • Significant experience designing and delivering production data platforms.
  • Expert SQL skills and strong practical experience with Python.
  • Strong experience with Snowflake and dbt or comparable modern data technologies.
  • Strong understanding of ETL/ELT, data integration and dimensional modelling.
  • Demonstrable experience with automated testing, CI/CD and data quality controls.
  • Experience reviewing technical designs and improving the work of other engineers.
  • A track record of taking ownership and delivering at pace without compromising quality.
  • Clear communication and the confidence to challenge constructively.
  • Experience leading and mentoring engineers while remaining technically hands-on.

Experience with Azure Data Factory, Airbyte and Power BI would be advantageous.

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